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US 12,215,877 B2Granted
Air circulation device
AssigneeDaikin Industries, Ltd.
InventorsMasafumi Uda, Yousuke Imai, Keita Kawahara, Kiichirou Satou
Life of this patent
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Abstract
An air circulation device includes a suction section configured to suck indoor air, and a blower section configured to blow the air sucked by the suction section into a room. The air is in a form of a vortex ring. The air circulation device is operable in at least a first mode in which the vortex ring blown therefrom reaches a wall surface of the room.
Claims8
An air circulation device comprising:
- a suction section configured to suck indoor air;
- and
- a blower section configured to blow the air sucked by the suction section into a room, the air being in a form of a vortex ring,
- the air circulation device being operable in at least a first mode in which the vortex ring blown from the air circulation device reaches a wall surface of the room and air of the vortex ring, having reached the wall surface and collapsed, being pushed back toward the suction section, wherein
- the vortex ring is blown through an outlet into the room,
- the air circulation device further includes a damper configured to close a portion of an air passage connecting the blower section to the outlet, and
- the damper is further configured to move to a position in which the damper blocks air traveling from the suction section toward the blower section.
4 more elements
Dependencies are inferred from the claim text.